David Letterman delivered a fiery rant against CBS and parent company Paramount for cancelling Stephen Colbert’s “Late Show,” calling the decision “gutless” and “pure cowardice” as he labeled his successor a martyr of the network.

David Letterman took aim at his former employer, CBS, over the cancellation of 'The Late Show With Stephen Colbert.

Letterman was in conversation with his long-time friend and collaborator, Late Show executive producer Barbara Gaines, as well as My Next Guest Needs No Introduction executive producer Mary Barclay, when he launched enthusiastically into the topic.

The president of Local 802 American Federation of Musicians, the union that represents the musicians of "The Late Show," released a statement about the show's cancellation on Friday, calling it "censorship.

David Letterman is subtly showing support for his successor Stephen Colbert after CBS' shock cancellation of "The Late Show."

Actress Sandra Oh cursed CBS and Paramount for canceling Stephen Colbert’s show during a recent appearance on the late-night program.

There are two equally effective ways of dealing with smug liberals in the midst of a tantrum. First, mock their childish behavior and make them feel their impotence. Second, remind them that their own decisions to shill for the establishment set them on the path to oblivion.